G&W Tsinghua T-2.2A Single-end Class A tube Headphone Amplifier

G&W Tsinghua T-2.2A Single-end Class A tube Headphone Amplifier
Product Price: $325.99 USD
Product Model: G&W Tsinghua T-2.2A
Product Quantity: 0 Units in Stock
Shipping Weight: 8.5 Kg

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Product Warranty
All items Guaranteed 100% Brand New In the original edition Box and Come from the original factory.
All items ONE-YEAR WARRANTY !!!
Shipping Time & Invoice Declare
All items ship with DHL/UPS/TNT/EMS, (DHL/UPS/TNT) About 3-7days delivery time, EMS About 7-15days delivery time.
We can Declare the Value of the Order as Customer's Remark!!!
G&W Tsinghua T-2.2A Single-end Class A tube Headphone Amplifier
Product Declaration
Features:
a) the classical one common cathode line amplification, so that the shortest signal path.
b) The 3.2W power amplifier pentode do.
c) blue plastic package using high-end Japanese ALPS potentiometer.
d) imported 70 um thick copper thin double-sided printed circuit board.
e) The gold-plated solid copper knob.
f) using pure precious pear wood deluxe panel, laser engraving, unique artistic charm.
g) chassis with brushed stainless steel manufacturing.
h) EI-type core made ​​of imported high-quality power transformers, power of 80W.
i) The German gold FRAKO, such as fever, red WIMA capacitors.
j) slow start delay using high-voltage DC power to extend tube life.
k) imported iron core choke inductors to do filtering.
l) Power has a mute function, delay 20 seconds into working condition.
m) 60 ~ 600  can promote high-end headphones.
n) particularly suitable for use tube pre-amplifier circuit, the gain of about 20dB to promote any pure vacuum tube and transistor-level power amplifier can achieve after the very good results.
o) The tube model: inlet tube 12AT7 (ECC81); inlet tube 6P14 (EL84).

Specifications:
Input Sensitivity: 220mV
Frequency response: 16Hz ~ 117KHz (-1dB)
Harmonic Distortion: 0.05% (VRMS: 1V; 1KHz)
Signal to Noise Ratio: 101dB (output VRMS: 15V for the reference value)
Adapter headphone impedance: 60 ohm ~ 600 ohm high-end headphones
Static power consumption: about 36W
Tube: 12AT7 (ECC81); 6P14 (EL84).
Dimension: 380 × width 220 × depth 120mm high
Net weight: 7kg
Gross weight: 8.5kg
Power supply: 110/220V